Canteen bought 8kg cucumber, every kg cucumber is x yuan, pay 15 yuan, get back 1.4 yuan

Canteen bought 8kg cucumber, every kg cucumber is x yuan, pay 15 yuan, get back 1.4 yuan


Equivalent relation: price per kilogram of cucumber × kilogram of cucumber = amount of money paid - amount of money recovered
Equation: 8 × x = 15-1.4
8×X=13.6
X=1.7



Canteen bought 8 kilograms of cucumber, pay 15 yuan, get back 1.4 yuan, how much is a kilogram of cucumber? (solved by equation)


Suppose x yuan per kilogram of cucumber, according to the meaning of the question, we can get the equation: 8x + 1.4 = 15 & nbsp; & nbsp; & nbsp; & nbsp; 8x = 13.6 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; X = 1.7; a: 1.7 yuan per kilogram of cucumber



Canteen bought 8 kg cucumber and 6 kg eggplant, paid 15 yuan, recovered 1.4 yuan, 0.8 yuan per kg cucumber, how much per kg eggplant
1. Canteen bought 8 kg cucumber and 6 kg eggplant, paid 15 yuan, recovered 1.4 yuan, 0.8 yuan per kg cucumber, how much per kg eggplant
2. The price of each notebook is 9.8 yuan. Three notebooks and two automatic pencils are 53.4 yuan in total. How much is the price of each automatic pencil
3. A piece of iron wire can be made into a square with a side length of 24 cm. If it is folded into a rectangle with a length of 34 cm, what is the width of the rectangle


(15-1.4-8*0.8)/6 = 1.2(53.4-3*9.8)/2 = 12(24*4-34*2)/2 = 14